531241312045 has 32 divisors (see below), whose sum is σ = 677532240000. Its totient is φ = 398734306560.

The previous prime is 531241311977. The next prime is 531241312051. The reversal of 531241312045 is 540213142135.

It is not a de Polignac number, because 531241312045 - 2¹⁵ = 531241279277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531241311998 and 531241312016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22986906 + ... + 23010004.

It is an arithmetic number, because the mean of its divisors is an integer number (21172882500).

Almost surely, 2^531241312045 is an apocalyptic number.

It is an amenable number.

531241312045 is a deficient number, since it is larger than the sum of its proper divisors (146290927955).

531241312045 is a wasteful number, since it uses less digits than its factorization.

531241312045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25453.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 531241312045 in words is "five hundred thirty-one billion, two hundred forty-one million, three hundred twelve thousand, forty-five".